:root{--ink:#173b31;--lime:#b9ed83;--paper:#fcfdf9;--muted:#58695f;--line:#dce5d9;--soft:#eef3e8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,'Segoe UI',sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #518e30;outline-offset:5px}a:hover{text-decoration:underline;text-underline-offset:4px}[hidden]{display:none!important}.wrap{max-width:1200px;padding-inline:28px;margin-inline:auto}.skip{position:fixed;top:-100px;left:12px;background:var(--ink);color:white;padding:12px;z-index:100}.skip:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}header{border-bottom:1px solid 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#173b311c;font-size:10px}.circuit{display:flex;align-items:center;justify-content:center;gap:28px;height:183px;position:relative}.circuit:before{content:'';height:1px;background:#7a9c64;position:absolute;left:30px;right:30px}.node{position:relative;width:52px;height:52px;background:#fcfdf9;border:1px solid #9bb58b;display:grid;place-items:center;border-radius:12px;box-shadow:0 8px 20px #173b310c}.node svg{width:26px;height:26px}.node.center{width:86px;height:86px;background:var(--ink);color:var(--lime);font-size:38px;box-shadow:0 0 0 10px #173b3108,0 0 0 23px #173b3105}.section-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}.section-top .eyebrow{margin:0 0 8px}h2{font-size:clamp(25px,3vw,32px);margin:0}.pill{font:11px ui-monospace,monospace;letter-spacing:1px;border:1px solid var(--line);border-radius:20px;padding:6px 12px;white-space:nowrap}.focus-section{padding-top:18px;padding-bottom:40px}.radar{border:1px solid 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/* Category circuits: one accent per subject, slow staggered electrical pulses. */
.categories>a{--accent:#3b8b42;--surface:#eef8e8;--edge:#b4d5a2;--phase:0s;position:relative;isolation:isolate;overflow:hidden;min-height:100px;background:var(--surface);border-color:var(--edge);color:var(--ink);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.categories>a:nth-child(2){--accent:#3977c4;--surface:#edf4ff;--edge:#b5cdeb;--phase:-1.4s}
.categories>a:nth-child(3){--accent:#ac711c;--surface:#fff6e8;--edge:#e9cc9e;--phase:-2.8s}
.categories>a:nth-child(4){--accent:#8275c3;--surface:#f3f0ff;--edge:#cfc6eb;--phase:-4.2s}
.categories>a:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,var(--surface) 28%,var(--surface) 72%,transparent);z-index:-1;opacity:.8;pointer-events:none}
.categories>a>span,.categories>a>svg:not(.category-circuit){position:relative;z-index:1}
.categories>a>svg:not(.category-circuit){color:var(--accent);width:30px;height:30px;background:var(--surface);border-radius:5px;flex-shrink:0}
.categories>a>span:last-child{color:var(--accent)}
.categories>a:hover,.categories>a:focus-visible{background:var(--surface);border-color:var(--accent);box-shadow:0 8px 22px #173b3112;transform:translateY(-3px);text-decoration:none}
.categories .category-circuit{position:absolute;inset:0;width:100%;height:100%;color:var(--accent);z-index:-2;pointer-events:none}
.circuit-traces{stroke:currentColor;stroke-width:1;opacity:.28}
.circuit-energy{stroke:currentColor;stroke-width:1.7;stroke-linecap:round;filter:drop-shadow(0 0 3px currentColor)}
.circuit-energy path{stroke-dasharray:15 85;animation:category-flow 6s linear infinite;animation-delay:var(--phase)}
.circuit-energy .energy-delayed{animation-delay:calc(var(--phase) - 3s)}
.circuit-leds{fill:currentColor;filter:drop-shadow(0 0 4px currentColor);animation:category-led 5s ease-in-out infinite;animation-delay:var(--phase)}
@keyframes category-flow{0%{stroke-dashoffset:100;opacity:0}15%{opacity:.85}70%{opacity:.85}90%,100%{stroke-dashoffset:-100;opacity:0}}
@keyframes category-led{0%,100%{opacity:.15}35%,55%{opacity:.9}75%{opacity:.2}}
@media(max-width:680px){.categories>a{min-height:94px;padding:16px 12px}.categories>a>svg:not(.category-circuit){width:25px;height:25px}}
@media(prefers-reduced-motion:reduce){.categories .circuit-energy path,.categories .circuit-leds{animation:none}.circuit-energy{opacity:.25}.circuit-leds{opacity:.45}.categories>a:hover,.categories>a:focus-visible{transform:none}}
/* Tutorial panels share the category circuit palette and animation. */
.thumb{--accent:#3b8b42;--surface:#eef8e8;--edge:#b4d5a2;--phase:0s;isolation:isolate;background-color:var(--surface);background-image:linear-gradient(#ffffff60 1px,transparent 1px),linear-gradient(90deg,#ffffff60 1px,transparent 1px);border:1px solid var(--edge);color:var(--ink);transition:border-color .22s ease,box-shadow .22s ease}
.thumb.pc,.thumb.code{--accent:#3977c4;--surface:#edf4ff;--edge:#b5cdeb;--phase:-1.4s}
.thumb.web{--accent:#ac711c;--surface:#fff6e8;--edge:#e9cc9e;--phase:-2.8s}
.thumb.lock{--accent:#8275c3;--surface:#f3f0ff;--edge:#cfc6eb;--phase:-4.2s}
.thumb.storage{--phase:-2s}
.thumb>.category-circuit{position:absolute;inset:0;width:100%;height:100%;transform:none;pointer-events:none;color:var(--accent);z-index:0}
.thumb>svg:not(.category-circuit){position:relative;color:var(--accent);z-index:1;background:var(--surface);padding:9px;border-radius:12px;width:73px;height:73px;border:1px solid var(--edge);box-shadow:0 0 0 10px color-mix(in srgb,var(--accent) 5%,transparent)}
.thumb:after{border-color:var(--edge);pointer-events:none;z-index:0}
.thumb .tech-label,.thumb .mini{z-index:2}
.thumb .mini{border:1px solid var(--edge);color:var(--ink)}
.card:hover .thumb,.card:focus-visible .thumb{border-color:var(--accent);box-shadow:0 6px 20px #173b3112}
@media(prefers-reduced-motion:reduce){.thumb .circuit-energy path,.thumb .circuit-leds{animation:none}.thumb .circuit-energy{opacity:.25}.thumb .circuit-leds{opacity:.45}}
.news-intro,.news-credit,#news-status{font-size:14px;color:var(--muted)}.news-credit{margin-top:20px;font-size:12px;max-width:900px}.news-credit a{text-decoration:underline}.news-filters{margin-block:20px 12px}.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.news-card{display:flex;flex-direction:column;border:1px solid var(--line);background:linear-gradient(145deg,#f1f7e9,#fcfdf9);border-radius:10px;padding:23px;min-height:245px;transition:border-color .2s,box-shadow .2s}.news-card:hover{border-color:#85a86c;box-shadow:0 6px 22px #173b3110;text-decoration:none}.news-card:hover h3{text-decoration:underline}.news-topic{font:11px ui-monospace,monospace;color:#47643d;letter-spacing:1px;text-transform:uppercase}.news-card h3{font-size:20px;line-height:1.45;margin:14px 0;overflow-wrap:anywhere}.news-source{font-size:13px;color:var(--muted);margin:auto 0 4px;overflow-wrap:anywhere}.news-date{font-size:12px;color:var(--muted);margin:0 0 20px}.news-card .read{font-size:13px}.news-grid[aria-busy=true]{opacity:.65}#news-retry{margin-block:10px}@media(max-width:950px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.news-grid{grid-template-columns:1fr}.news-card{min-height:220px}.news-filters button{font-size:12px}}
/* Editorial library: guided routes, practical tips and readable reference material. */
.category-label{display:flex;flex-direction:column;gap:5px;min-width:0}.category-label b{font-size:16px}.category-label small{font-size:12px;font-weight:400;line-height:1.5;color:var(--muted)}.categories>a{align-items:flex-start;min-height:151px;padding-block:22px}.categories>a>svg:not(.category-circuit){margin-top:5px}.categories>a>span:last-child{align-self:center}.guide-tags{display:flex;gap:7px;flex-wrap:wrap;margin:5px 0 16px}.guide-tags>span{font-size:11px;padding:3px 9px;border:1px solid var(--line);border-radius:16px;color:#4b6250;background:#f2f6ed}.more-guides{display:flex;justify-content:center;margin-top:30px}.category-page{padding-block:30px 55px}.category-heading{display:flex;justify-content:space-between;align-items:center;gap:35px;border:1px solid var(--line);border-radius:15px;padding:36px;margin-bottom:40px;background-image:linear-gradient(#ffffff55 1px,transparent 1px),linear-gradient(90deg,#ffffff55 1px,transparent 1px);background-size:28px 28px}.category-heading.android{background-color:#eef8e8}.category-heading.pc{background-color:#edf4ff}.category-heading.web{background-color:#fff6e8}.category-heading.lock{background-color:#f3f0ff}.category-heading h1{font-size:48px;margin-bottom:14px}.category-heading h2{font-size:24px;letter-spacing:-.025em}.category-heading .lead{max-width:730px;font-size:17px}.category-symbol{display:grid;place-items:center;width:130px;height:130px;flex:0 0 auto;border:1px solid #173b3120;border-radius:25px;background:#ffffff65;box-shadow:0 0 0 16px #ffffff30}.category-symbol svg{width:65px;height:65px}.section-jumps{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}.section-jumps a{font-size:13px;background:#ffffffb3;border:1px solid #173b3125;border-radius:6px;padding:10px 13px;min-height:44px}.learning-path,.quick-tips,.tool-section,.category-library{padding-block:10px 35px}.learning-path ol{padding:0;margin:0;list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.learning-path li{min-width:0}.learning-path li>a{display:flex;gap:15px;padding:23px;background:#f3f6ee;border:1px solid var(--line);border-radius:10px;height:100%}.learning-path li>a:hover{background:#eaf2e0;text-decoration:none}.path-number{font:22px ui-monospace,monospace;color:#678a4e}.learning-path h3{font-size:19px;line-height:1.4;margin:10px 0}.learning-path p{font-size:13px;color:var(--muted);margin:0}.learning-path small{font-size:11px;color:var(--muted)}.tip-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.tip-grid article{border-left:3px solid #92b678;padding:3px 20px}.tip-grid h3{font-size:20px;margin-top:0;line-height:1.3}.tip-grid p{font-size:15px;color:var(--muted)}.tip-grid a{font-size:13px;font-weight:600;text-decoration:underline;text-underline-offset:4px}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.tool-grid>a{display:flex;align-items:start;gap:13px;border:1px solid var(--line);border-radius:9px;padding:23px}.tool-grid>a:hover{background:var(--soft);text-decoration:none}.tool-grid h3{font-size:19px;margin:0 0 10px;line-height:1.35}.tool-grid p{font-size:14px;color:var(--muted)}.tool-grid .text-link{font-size:12px}.tool-symbol{font-size:23px;color:#63894c}.other-categories{border-top:1px solid var(--line);padding-top:25px;display:flex;gap:18px;flex-wrap:wrap;font-size:14px}.other-categories a{text-decoration:underline}.article-facts{display:flex;flex-wrap:wrap;gap:15px 30px;margin:24px 0 30px;padding-block:18px;border-block:1px solid var(--line)}.article-facts span{font-size:13px;max-width:330px}.article-facts b{display:block;font:10px ui-monospace,monospace;text-transform:uppercase;letter-spacing:1px;margin-bottom:5px;color:#567148}.takeaway{background:#edf5e5;border-left:4px solid #84aa65;padding:20px 24px;border-radius:8px;margin-bottom:28px}.takeaway .eyebrow{font-size:11px}.takeaway p{font-size:17px;line-height:1.7;margin:10px 0 0}.prose ol,.prose ul{padding-left:1.4em;margin-block:20px 25px}.prose li{padding-left:.25em;margin-bottom:12px}.prose a{color:#315d2f;text-decoration:underline;text-underline-offset:3px}.prose code{font:14px ui-monospace,Consolas,monospace;padding:3px 6px;background:#edf1e8;border-radius:4px;overflow-wrap:anywhere}.prose pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#173b31;color:#e0f2d0;padding:20px;border-radius:8px;line-height:1.6}.prose pre code{background:none;color:inherit;padding:0}.prose kbd{font:13px ui-monospace,monospace;background:#f0f3eb;border:1px solid #bfccb8;border-bottom-width:3px;border-radius:5px;display:inline-block;padding:2px 7px;color:var(--ink);vertical-align:middle}.prose table{border-collapse:collapse;table-layout:fixed;width:100%;font-size:15px;margin-block:23px}.prose th,.prose td{text-align:left;padding:12px;border:1px solid #cfdbca;overflow-wrap:anywhere}.prose th{background:var(--soft)}.sources a{overflow-wrap:anywhere}.category-library .cards{row-gap:38px}@media(max-width:950px){.learning-path ol,.tip-grid,.tool-grid{grid-template-columns:1fr}.learning-path li>a{padding:22px}.learning-path p{font-size:14px}.category-symbol{width:85px;height:85px}.category-symbol svg{width:43px;height:43px}.category-heading{gap:25px;padding:26px}.tip-grid{gap:25px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.category-label b{font-size:14px}.category-label small{font-size:11px}.categories>a{min-height:160px;padding:17px 10px;gap:8px}.categories>a>svg:not(.category-circuit){width:23px;height:23px}.category-heading{padding:24px 20px}.category-heading h1{font-size:38px}.category-heading h2{font-size:22px}.category-heading .lead{font-size:16px}.category-symbol{display:none}.section-jumps{gap:7px}.section-jumps a{font-size:12px;padding:10px}.learning-path li>a{gap:12px;padding:18px}.learning-path h3{font-size:19px}.tool-grid{grid-template-columns:1fr}.article-facts{gap:17px}.article-facts span{max-width:100%}.takeaway{padding:18px}.prose table{font-size:13px}.prose th,.prose td{padding:8px}.category-library .section-top{display:block}.category-library .section-top>a{display:inline-block;margin-top:15px}}
/* A malha do painel principal também aparece atrás da logo e do menu. */
header {
  background: radial-gradient(ellipse at center, #cce8b4 0, transparent 70%), linear-gradient(#173b3108 1px, transparent 1px), linear-gradient(90deg, #173b3108 1px, transparent 1px), #edf3e5;
  background-size: auto, 24px 24px, 24px 24px, auto;
}
/* Biblioteca de aplicativos, com links para os distribuidores oficiais. */
.app-library{padding-block:42px 70px}.app-heading{max-width:810px;padding:12px 0 45px}.app-heading h1{margin-bottom:16px}.app-group{padding-block:22px 42px;scroll-margin-top:105px}.app-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.app-card{display:flex;flex-direction:column;min-width:0;min-height:290px;padding:23px;border:1px solid #bed0b0;border-radius:12px;background:radial-gradient(ellipse at top,#dceecf 0,transparent 72%),linear-gradient(#173b3108 1px,transparent 1px),linear-gradient(90deg,#173b3108 1px,transparent 1px),#f4f8ef;background-size:auto,24px 24px,24px 24px,auto}.app-platform{align-self:flex-start;padding:4px 9px;border:1px solid #9abf82;border-radius:20px;background:#ffffffa8;font:11px ui-monospace,monospace;color:#345b32}.app-card h3{font-size:22px;margin:20px 0 8px}.app-card p{font-size:14px;line-height:1.55;margin:0 0 12px}.app-card .app-note{color:var(--muted);font-size:12px}.app-download{display:inline-flex;justify-content:space-between;gap:8px;align-items:center;margin-top:auto;padding:10px 12px;background:var(--ink);border-radius:7px;color:#fff;font-size:13px;font-weight:700}.app-download:hover{background:#285b3d;text-decoration:none}.app-disclosure{max-width:850px;border-left:3px solid #8cac70;padding-left:18px;color:var(--muted);font-size:14px}@media(max-width:1050px){.app-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.bar nav{gap:12px;font-size:13px}}@media(max-width:680px){.app-library{padding-block:30px 50px}.app-heading{padding-bottom:20px}.app-grid{grid-template-columns:1fr}.app-card{min-height:0}.app-group .section-top{align-items:flex-start}.app-group .pill{font-size:9px}}
.news-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.news-actions .dark{min-height:44px}
/* No celular, as notícias podem ser deslizadas como um carrossel nativo. */
.news-swipe-hint{display:none}@media(max-width:680px){.news-swipe-hint{display:block;margin:2px 0 12px;color:var(--muted);font-size:12px}.news-grid{display:flex;gap:14px;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;overscroll-behavior-inline:contain;-webkit-overflow-scrolling:touch;scrollbar-width:thin;padding:0 28px 16px 0;margin-right:-28px}.news-card{flex:0 0 calc(100% - 34px);min-width:0;scroll-snap-align:start;scroll-snap-stop:always}}